A magma reservoir deep under Earth's crust caused that weird hum heard around the world.

Some islands live longer than others. Here's why.

The Maya enjoyed this stone palace in Mexico more than 1,000 years ago.

How did early life get its start, given that this essential mineral was scarce?

This Sunday, people across the United States can luxuriate in an extra hour of sleep as daylight saving time comes to an end.

This asteroid nearly rivals the height of the world's tallest building.

There's so much smoke from wildfires in the Amazon rainforest that São Paulo plunged into darkness on Monday afternoon (Aug. 19), with day turning into night.

Here's why switching insulins can be so challenging and how medical professionals can help patients do it safely.

President Donald Trump has expressed an interest in buying Greenland, an autonomous Danish territory.

A toothless skull was all that researchers had of one of Scotland's oldest known Druids, but now they have something more: a wax re-creation of her face.

Fish swam for their lives when they encountered a forbidding, ancient "monster" penguin that would have towered over today's largest penguin.

A stash of ancient amulets is seeing the light of day, now that archaeologists in Pompeii have unearthed the treasures from under a pile of ash dating to the eruption of Mount Vesuvius in A.D. 79.

Grave robbers are usually a determined bunch, but for the past 3,400 years, unsavory burglars have managed to miss two ancient burial chambers just outside of Corinth, Greece.

Ancient sailors courted adventure and risked death on the Aegean Sea, as shown in five 2,000-year-old shipwrecks and a giant, granite anchor pole found near the Greek island of Levitha.

The world's largest frogs may also have the best pollywog daycare on the market.

There was likely no shortage of ale and good cheer at a recently unearthed Viking drinking hall, discovered in northern Scotland.

A gaping hole in a dying tectonic plate beneath the ocean along the West Coast of the United States may be wreaking havoc at Earth's surface, but not in a way most people might expect.

No one knew this bust featured Alexander the Great, until now.

Nearly 80 years ago, the USS Grunion submarine sank on its inaugural mission during World War II, taking the lives of 70 sailors with it as it plunged to the bottom of the Pacific.

Some unusual embryos may soon be growing in Japan: those of human-mouse and human-rat hybrids, news sources are reporting.

About a half-billion years ago, a predator that looked just like the Millennium Falcon terrorized tiny prey.

A long time ago, in a galaxy not at all far away, a carnivore with an uncanny resemblance to the Millennium Falcon from "Star Wars" scuttled through the seas.

She was about 40 when she died and performed very little physical labor in life.

The underwater city was named after the legendary Hercules, who ancient people believed actually visited the city.